Finding the Fourth Proportional to 8,918,997.06, 12,296,503.86 and 6,436,134.06
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Solution
The fourth proportional to 8,918,997.06, 12,296,503.86 and 6,436,134.06 is: 8,873,413.32
Step by Step Solution
- Step 1: Write the proportion equation
8,918,997.06 : 12,296,503.86 = 6,436,134.06 : x - Step 2: Convert to fraction form
8,918,997.06/12,296,503.86 = 6,436,134.06/x - Step 3: Cross multiply
8,918,997.06x = 12,296,503.86 × 6,436,134.06 - Step 4: Simplify right side
8,918,997.06x = 79,141,947,312,267.47 - Step 5: Solve for x
x = 79,141,947,312,267.47/8,918,997.06 - Step 6: Final answer
x = 8,873,413.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.